diff --git a/extensions/colorful-tabs.c b/extensions/colorful-tabs.c
index 672797e6..1726e290 100644
--- a/extensions/colorful-tabs.c
+++ b/extensions/colorful-tabs.c
@@ -46,7 +46,8 @@ colorful_tabs_view_notify_uri_cb (MidoriView*      view,
 
     label = midori_view_get_proxy_tab_label (view);
 
-    if ((hostname = midori_uri_parse (midori_view_get_display_uri (view), NULL))
+    if (!midori_uri_is_blank (midori_view_get_display_uri (view))
+      && (hostname = midori_uri_parse (midori_view_get_display_uri (view), NULL))
       && katze_object_get_enum (view, "load-status") == MIDORI_LOAD_FINISHED)
     {
         icon = midori_view_get_icon (view);